Open Top Oval Cold Water Tanks


Ferham Open Top Oval Tanks are available in capacities from 15 to 50 gallons (68 to 227 litres).

These oval header tanks are supplied complete with an accessory kit to ensure compliance with Water Regulations and speed up installation process.  

The cisterns are manufactured using highly durable moulded plastic that is WRAS approved and are Kitemarked to BS4213:2004.

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Open Top Cisterns Oval Spec Sheet

Cold Water Cisterns Product Guide

Product Information

  • Suitable for storage and supply of cold potable water to an open vented cylinder or use as expansion tanks in vented heating systems
  • Roto-moulded from WRAS approved hygenic polypropylene plastic
  • Kitemarked to BS4213:2004
  • Supplied complete with accessories kit including close fitting lid, 22mm Byelaw 30 fittings, backing plate and 60mm insulation jacket with ties
  • 1-Year Guarantee against manufacturing defects
Capacity Height Width Depth Code Code
Gallons Litres (mm) (mm) (mm) CISTERN KIT
15 68 380 860 508 FC15G Sold with kit
25 114 515 860 508 FC25G
40 182 440 1265 670 FC40G
50 227 525 1265 670 FC50G


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Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our products.


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Contact our experienced customer service team today for professional advice on our cold water storage tanks.

Contact Kingspan Hot Water Cylinders